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Substantial Changes in Prescription Recommendations for Bipolar Disorder in Canada: 2002–2010

Substantial Changes in Prescription Recommendations for Bipolar Disorder in Canada: 2002–2010 Objectives:We examined trends in prescription recommendations for treatment of bipolar disorder (BD) in Canada during 2002–2010.Methods:Data collected by IMS Brogan in a database known as the Canadian Disease and Therapeutic Index were used for this analysis. These data are collected from a representative physician panel who record each drug recommendation and reason for recommendation in their practices for 2 consecutive days each calendar quarter of the year. Prescription patterns of medications for BD, including lithium, anticonvulsants, antipsychotic agents, anxiolytics, and antidepressants, were evaluated both for general practitioners and for specialists.Results:The number of prescription recommendations for BD increased by 72.1% from 2002 to 2009, and then dropped by 24.8% from 2009 to 2010. This increase from 2002 to 2009, and subsequent decrease from 2009 to 2010, was observed for all classes of medications. The overall increase from 2002 to 2010 was statistically significant for the atypical antipsychotics (P = 0.04). The largest change for an individual drug during this period was a 438% increase in recommendations for quetiapine (P = 0.01).Conclusions:The number of prescription recommendations for BD increased substantially from 2002 to 2009 and sharply dropped in the following year. These results suggest that the infuence of the concept of the bipolar spectrum and its promotion may have resulted in a substantial increase in treatment that has recently begun to wane. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Canadian Journal of Psychiatry SAGE

Substantial Changes in Prescription Recommendations for Bipolar Disorder in Canada: 2002–2010

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References (25)

Publisher
SAGE
Copyright
© 2012 Canadian Psychiatric Association
ISSN
0706-7437
eISSN
1497-0015
DOI
10.1177/070674371205700410
pmid
22480592
Publisher site
See Article on Publisher Site

Abstract

Objectives:We examined trends in prescription recommendations for treatment of bipolar disorder (BD) in Canada during 2002–2010.Methods:Data collected by IMS Brogan in a database known as the Canadian Disease and Therapeutic Index were used for this analysis. These data are collected from a representative physician panel who record each drug recommendation and reason for recommendation in their practices for 2 consecutive days each calendar quarter of the year. Prescription patterns of medications for BD, including lithium, anticonvulsants, antipsychotic agents, anxiolytics, and antidepressants, were evaluated both for general practitioners and for specialists.Results:The number of prescription recommendations for BD increased by 72.1% from 2002 to 2009, and then dropped by 24.8% from 2009 to 2010. This increase from 2002 to 2009, and subsequent decrease from 2009 to 2010, was observed for all classes of medications. The overall increase from 2002 to 2010 was statistically significant for the atypical antipsychotics (P = 0.04). The largest change for an individual drug during this period was a 438% increase in recommendations for quetiapine (P = 0.01).Conclusions:The number of prescription recommendations for BD increased substantially from 2002 to 2009 and sharply dropped in the following year. These results suggest that the infuence of the concept of the bipolar spectrum and its promotion may have resulted in a substantial increase in treatment that has recently begun to wane.

Journal

Canadian Journal of Psychiatry – SAGE

Published: Apr 1, 2012

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